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-rw-r--r--src/lib/libcrypto/bio/bss_sock.c423
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diff --git a/src/lib/libcrypto/bio/bss_sock.c b/src/lib/libcrypto/bio/bss_sock.c
deleted file mode 100644
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--- a/src/lib/libcrypto/bio/bss_sock.c
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1/* crypto/bio/bss_sock.c */
2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3 * All rights reserved.
4 *
5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL.
8 *
9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to. The following conditions
11 * apply to all code found in this distribution, be it the RC4, RSA,
12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
13 * included with this distribution is covered by the same copyright terms
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15 *
16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed.
18 * If this package is used in a product, Eric Young should be given attribution
19 * as the author of the parts of the library used.
20 * This can be in the form of a textual message at program startup or
21 * in documentation (online or textual) provided with the package.
22 *
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
25 * are met:
26 * 1. Redistributions of source code must retain the copyright
27 * notice, this list of conditions and the following disclaimer.
28 * 2. Redistributions in binary form must reproduce the above copyright
29 * notice, this list of conditions and the following disclaimer in the
30 * documentation and/or other materials provided with the distribution.
31 * 3. All advertising materials mentioning features or use of this software
32 * must display the following acknowledgement:
33 * "This product includes cryptographic software written by
34 * Eric Young (eay@cryptsoft.com)"
35 * The word 'cryptographic' can be left out if the rouines from the library
36 * being used are not cryptographic related :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 * the apps directory (application code) you must include an acknowledgement:
39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40 *
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51 * SUCH DAMAGE.
52 *
53 * The licence and distribution terms for any publically available version or
54 * derivative of this code cannot be changed. i.e. this code cannot simply be
55 * copied and put under another distribution licence
56 * [including the GNU Public Licence.]
57 */
58
59#if !defined(NO_SOCK) || defined(BIO_FD)
60
61#include <stdio.h>
62#include <errno.h>
63#define USE_SOCKETS
64#include "cryptlib.h"
65#include <openssl/bio.h>
66
67#ifndef BIO_FD
68static int sock_write(BIO *h,char *buf,int num);
69static int sock_read(BIO *h,char *buf,int size);
70static int sock_puts(BIO *h,char *str);
71static long sock_ctrl(BIO *h,int cmd,long arg1,char *arg2);
72static int sock_new(BIO *h);
73static int sock_free(BIO *data);
74int BIO_sock_should_retry(int s);
75#else
76
77static int fd_write(BIO *h,char *buf,int num);
78static int fd_read(BIO *h,char *buf,int size);
79static int fd_puts(BIO *h,char *str);
80static long fd_ctrl(BIO *h,int cmd,long arg1,char *arg2);
81static int fd_new(BIO *h);
82static int fd_free(BIO *data);
83int BIO_fd_should_retry(int s);
84#endif
85
86#ifndef BIO_FD
87static BIO_METHOD methods_sockp=
88 {
89 BIO_TYPE_SOCKET,
90 "socket",
91 sock_write,
92 sock_read,
93 sock_puts,
94 NULL, /* sock_gets, */
95 sock_ctrl,
96 sock_new,
97 sock_free,
98 };
99
100BIO_METHOD *BIO_s_socket(void)
101 {
102 return(&methods_sockp);
103 }
104#else
105static BIO_METHOD methods_fdp=
106 {
107 BIO_TYPE_FD,"file descriptor",
108 fd_write,
109 fd_read,
110 fd_puts,
111 NULL, /* fd_gets, */
112 fd_ctrl,
113 fd_new,
114 fd_free,
115 };
116
117BIO_METHOD *BIO_s_fd(void)
118 {
119 return(&methods_fdp);
120 }
121#endif
122
123#ifndef BIO_FD
124BIO *BIO_new_socket(int fd, int close_flag)
125#else
126BIO *BIO_new_fd(int fd,int close_flag)
127#endif
128 {
129 BIO *ret;
130
131#ifndef BIO_FD
132 ret=BIO_new(BIO_s_socket());
133#else
134 ret=BIO_new(BIO_s_fd());
135#endif
136 if (ret == NULL) return(NULL);
137 BIO_set_fd(ret,fd,close_flag);
138 return(ret);
139 }
140
141#ifndef BIO_FD
142static int sock_new(BIO *bi)
143#else
144static int fd_new(BIO *bi)
145#endif
146 {
147 bi->init=0;
148 bi->num=0;
149 bi->ptr=NULL;
150 bi->flags=0;
151 return(1);
152 }
153
154#ifndef BIO_FD
155static int sock_free(BIO *a)
156#else
157static int fd_free(BIO *a)
158#endif
159 {
160 if (a == NULL) return(0);
161 if (a->shutdown)
162 {
163 if (a->init)
164 {
165#ifndef BIO_FD
166 shutdown(a->num,2);
167 closesocket(a->num);
168#else /* BIO_FD */
169 close(a->num);
170#endif
171
172 }
173 a->init=0;
174 a->flags=0;
175 }
176 return(1);
177 }
178
179#ifndef BIO_FD
180static int sock_read(BIO *b, char *out, int outl)
181#else
182static int fd_read(BIO *b, char *out,int outl)
183#endif
184 {
185 int ret=0;
186
187 if (out != NULL)
188 {
189#ifndef BIO_FD
190 clear_socket_error();
191 ret=readsocket(b->num,out,outl);
192#else
193 clear_sys_error();
194 ret=read(b->num,out,outl);
195#endif
196 BIO_clear_retry_flags(b);
197 if (ret <= 0)
198 {
199#ifndef BIO_FD
200 if (BIO_sock_should_retry(ret))
201#else
202 if (BIO_fd_should_retry(ret))
203#endif
204 BIO_set_retry_read(b);
205 }
206 }
207 return(ret);
208 }
209
210#ifndef BIO_FD
211static int sock_write(BIO *b, char *in, int inl)
212#else
213static int fd_write(BIO *b, char *in, int inl)
214#endif
215 {
216 int ret;
217
218#ifndef BIO_FD
219 clear_socket_error();
220 ret=writesocket(b->num,in,inl);
221#else
222 clear_sys_error();
223 ret=write(b->num,in,inl);
224#endif
225 BIO_clear_retry_flags(b);
226 if (ret <= 0)
227 {
228#ifndef BIO_FD
229 if (BIO_sock_should_retry(ret))
230#else
231 if (BIO_fd_should_retry(ret))
232#endif
233 BIO_set_retry_write(b);
234 }
235 return(ret);
236 }
237
238#ifndef BIO_FD
239static long sock_ctrl(BIO *b, int cmd, long num, char *ptr)
240#else
241static long fd_ctrl(BIO *b, int cmd, long num, char *ptr)
242#endif
243 {
244 long ret=1;
245 int *ip;
246
247 switch (cmd)
248 {
249 case BIO_CTRL_RESET:
250 num=0;
251 case BIO_C_FILE_SEEK:
252#ifdef BIO_FD
253 ret=(long)lseek(b->num,num,0);
254#else
255 ret=0;
256#endif
257 break;
258 case BIO_C_FILE_TELL:
259 case BIO_CTRL_INFO:
260#ifdef BIO_FD
261 ret=(long)lseek(b->num,0,1);
262#else
263 ret=0;
264#endif
265 break;
266 case BIO_C_SET_FD:
267#ifndef BIO_FD
268 sock_free(b);
269#else
270 fd_free(b);
271#endif
272 b->num= *((int *)ptr);
273 b->shutdown=(int)num;
274 b->init=1;
275 break;
276 case BIO_C_GET_FD:
277 if (b->init)
278 {
279 ip=(int *)ptr;
280 if (ip != NULL) *ip=b->num;
281 ret=b->num;
282 }
283 else
284 ret= -1;
285 break;
286 case BIO_CTRL_GET_CLOSE:
287 ret=b->shutdown;
288 break;
289 case BIO_CTRL_SET_CLOSE:
290 b->shutdown=(int)num;
291 break;
292 case BIO_CTRL_PENDING:
293 case BIO_CTRL_WPENDING:
294 ret=0;
295 break;
296 case BIO_CTRL_DUP:
297 case BIO_CTRL_FLUSH:
298 ret=1;
299 break;
300 default:
301 ret=0;
302 break;
303 }
304 return(ret);
305 }
306
307#ifdef undef
308static int sock_gets(BIO *bp, char *buf,int size)
309 {
310 return(-1);
311 }
312#endif
313
314#ifndef BIO_FD
315static int sock_puts(BIO *bp, char *str)
316#else
317static int fd_puts(BIO *bp, char *str)
318#endif
319 {
320 int n,ret;
321
322 n=strlen(str);
323#ifndef BIO_FD
324 ret=sock_write(bp,str,n);
325#else
326 ret=fd_write(bp,str,n);
327#endif
328 return(ret);
329 }
330
331#ifndef BIO_FD
332int BIO_sock_should_retry(int i)
333#else
334int BIO_fd_should_retry(int i)
335#endif
336 {
337 int err;
338
339 if ((i == 0) || (i == -1))
340 {
341#ifndef BIO_FD
342 err=get_last_socket_error();
343#else
344 err=get_last_sys_error();
345#endif
346
347#if defined(WINDOWS) && 0 /* more microsoft stupidity? perhaps not? Ben 4/1/99 */
348 if ((i == -1) && (err == 0))
349 return(1);
350#endif
351
352#ifndef BIO_FD
353 return(BIO_sock_non_fatal_error(err));
354#else
355 return(BIO_fd_non_fatal_error(err));
356#endif
357 }
358 return(0);
359 }
360
361#ifndef BIO_FD
362int BIO_sock_non_fatal_error(int err)
363#else
364int BIO_fd_non_fatal_error(int err)
365#endif
366 {
367 switch (err)
368 {
369#if !defined(BIO_FD) && defined(WINDOWS)
370# if defined(WSAEWOULDBLOCK)
371 case WSAEWOULDBLOCK:
372# endif
373
374# if 0 /* This appears to always be an error */
375# if defined(WSAENOTCONN)
376 case WSAENOTCONN:
377# endif
378# endif
379#endif
380
381#ifdef EWOULDBLOCK
382# ifdef WSAEWOULDBLOCK
383# if WSAEWOULDBLOCK != EWOULDBLOCK
384 case EWOULDBLOCK:
385# endif
386# else
387 case EWOULDBLOCK:
388# endif
389#endif
390
391#if defined(ENOTCONN)
392 case ENOTCONN:
393#endif
394
395#ifdef EINTR
396 case EINTR:
397#endif
398
399#ifdef EAGAIN
400#if EWOULDBLOCK != EAGAIN
401 case EAGAIN:
402# endif
403#endif
404
405#ifdef EPROTO
406 case EPROTO:
407#endif
408
409#ifdef EINPROGRESS
410 case EINPROGRESS:
411#endif
412
413#ifdef EALREADY
414 case EALREADY:
415#endif
416 return(1);
417 /* break; */
418 default:
419 break;
420 }
421 return(0);
422 }
423#endif
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